This is the paper draft for the spin squeezing paper with Faraday interactions using a nanofiber or waveguide.
Switch branches/tags
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Type Name Latest commit message Commit time
Failed to load latest commit information.
refs @ e67b3cd


This is the source code repository of CQuIC's paper on spin squeezing and QND measurement using optical nanofibers with a particular focus on enhancing the atom-light coupling with a weak field and the general theory. The paper has been published on Phys. Rev. A:

X. Qi, B. Y.-Y. Jau, and I. H. Deutsch, "Enhanced cooperativity for quantum-nondemolition-measurement–induced spin squeezing of atoms coupled to a nanophotonic waveguide", Physical Review A, 97, 033829 (2018). DOI: 10.1103/PhysRevA.97.033829 (data and source file repository, PDF)

The arXiv version can be found at arXiv:1712.02916.

You can also find a previous paper on a similar topic:

X. Qi, B. Q. Baragiola, P. S. Jessen, and I. H. Deutsch, "Dispersive response of atoms trapped near the surface of an optical nanofiber with applications to quantum nondemolition measurement and spin squeezing", Physical Review A, 93, 023817 (2016). (repository)

If you have any questions or comments regarding this piece of work, feel free to post on the issue tracking page.

All files tracked in this repository belong to the authors of the paper under DeutschGroup@CQuIC. Materials may be accessible and reusable to CQuIC members and the public under the CC BY 4.0 license. Reprint of the published version of the article should direct to APS editors. Please ask the first author for more information: qxd AT Website:

Xiaodong Qi